Home / 2,909,634.60-4,015,295.85-1,620,474.91

Finding the Fourth Proportional to 2,909,634.60, 4,015,295.85 and 1,620,474.91

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Solution

The fourth proportional to 2,909,634.60, 4,015,295.85 and 1,620,474.91 is: 2,236,255.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,634.60 : 4,015,295.85 = 1,620,474.91 : x
  2. Step 2: Convert to fraction form
    2,909,634.60/4,015,295.85 = 1,620,474.91/x
  3. Step 3: Cross multiply
    2,909,634.60x = 4,015,295.85 × 1,620,474.91
  4. Step 4: Simplify right side
    2,909,634.60x = 6,506,686,181,152.12
  5. Step 5: Solve for x
    x = 6,506,686,181,152.12/2,909,634.60
  6. Step 6: Final answer
    x = 2,236,255.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.